INDEX 
A. 
Page 
A geographical study of the growth and distribution of population in Michigan, O. W. Freeman 39 
Agricultural Economics, farm organization as a factor in, W. O. Hedrick 80 
Alcohol of any strength, an easy formula for obtaining, Richard de Zeeuw 209 
Antitoxic action of chloral hydrate upon copper sulphate for Pisum sativum, Rufus Percival 
Hibbard 130 ■ 
% 
B. 
Bacterial disease of the larvae of the June Beetle, Lachnosterna, sp., Zae Northrup 64 
Baker, Howard B 26-107 
Black knot of plums and cherries, some notes on the. J. A. Mc.Clintock 142 
Breeding habits of the Log-Perch (Percina Caprodes), Jac. Reighard 104 
Brown, C. W 71 
Butler, Jefferson 114 
C. 
Carwindow notes on the vegetation of the Upper Peninsula, Roland M. Harper 193 
Check-list of the Michigan Lepidoptera, II Sphingidae (Hawk moths), W. W. Newcomb 213 
Chloral hydrate up'on copper sulphate for Pisium sativum, the antitoxic action of, Rufus Percival 
Hibbard • 130 
Contents, Table of 5 
Continental forms, III, origin of, Howard B. Baker 107 
Continental forms, IV, origin of, Howard B. Baker 26 
Contributions to the botany of Michigan. No. 9, Oliver A. Farwell 150 
Cope, Otis M 129 
Gumming, James Gordon 60 
Cummins, Harold 106 
D. 
Diemyctylus viridescens with bifurcated tail, an adult, Bertram G. Smith 105 
Dietz, Ada K 199 
Dodge, C. K 218 
E. 
Environment of soil bacteria, F. H. Hesselink van Suchtelen 65 
Enzyme action, the nature of, James Gordon Cumming 60 
F. 
Factors that determine the distribution of Boleosoma nigrum in Douglas Lake, Cheboygan 
County, Michigan, H. V. Heimburger 120 
Farm organization as a factor in agricultural economics, W. O. Hedrick 80 
Farwell, Oliver A 150 
Flowering plants, ferns and their allies of Mackinac Island, C. K. Dodge 218 
Formula for obtaining alcohol of any strength, Richard de Zeeuw 209 
Freeman, O. W 39 
G. 
Gleason, Henry Allen I E 
Gold deposits of the Porcupine District, Ontario, R. E. Hore 54 
Growth and distribution of population in Michigan, a geographic study of the, O. W. Freeman. . 39 
